import { monthlyCost } from "@/modules/admin/lib/internal-costs"
import { getInternalCredentials } from "@/modules/admin/queries/internal-credentials"
import { InternalCredentialDialog } from "@/modules/admin/ui/components/internal-credential-dialog"
import { InternalCredentialsTable } from "@/modules/admin/ui/components/internal-credentials-table"
import { formatCurrency } from "@/modules/shared/lib/invoice-math"

function Stat({ label, value, detail }: { label: string; value: string; detail?: string }) {
    return (
        <div className="flex min-w-0 flex-col gap-1 rounded-lg border border-border p-4">
            <span className="text-small text-muted-foreground">{label}</span>
            <span className="text-xl font-semibold tabular-nums break-words sm:text-2xl">{value}</span>
            {detail && <span className="text-small text-muted-foreground">{detail}</span>}
        </div>
    )
}

export default async function InternalAccountsView() {
    const credentials = await getInternalCredentials()
    const perMonth = monthlyCost(credentials)
    const paid = credentials.filter((credential) => credential.plan === "paid").length

    return (
        <div className="flex w-full flex-col gap-6 md:gap-8">
            <div className="flex w-full flex-wrap items-start justify-between gap-3">
                <div className="flex flex-col gap-2">
                    <h1 className="text-2xl font-semibold md:text-3xl">Internal Accounts</h1>
                    <p className="max-w-2xl text-sm text-muted-foreground">
                        Zugänge von Since3 selbst – verschlüsselt im Supabase Vault und nur für Admins sichtbar.
                        Jedes Anzeigen oder Kopieren eines Passworts wird protokolliert.
                    </p>
                </div>
                <InternalCredentialDialog />
            </div>

            <div className="grid gap-3 sm:grid-cols-3">
                <Stat label="Laufende Kosten" value={`${formatCurrency(perMonth)} / Monat`} detail={`≈ ${formatCurrency(perMonth * 12)} im Jahr`} />
                <Stat label="Bezahlte Dienste" value={String(paid)} detail={`von ${credentials.length} Zugängen`} />
                <Stat label="Kostenlose Dienste" value={String(credentials.length - paid)} />
            </div>

            <InternalCredentialsTable credentials={credentials} />
        </div>
    )
}